It's more than just a random weapon case.
It's your chance to become a professional player with a premium AWP skin.
Don't forget, you can always sell the item back at a price better than on Steam Marketplace.

Now you have the opportunity to open 3 cases twice a day. The higher the price of the case, the greater the variance of winning. Red case is for experienced players with very cheap and very expensive items inside. Open it carefully: at your own risk.